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Eight isomers of B 32 cluster and metal-poly-boron MB 32 complexes are examined at the B3LYP/6-31G(d) level to obtain the optimized geometries and vibrational frequencies. The expected B 32 (I h ) isomer, proposed as conjugated polyhedron of C 60 , cannot be found as local energy minimum, owning to its large curvature strain and antiaromaticity. The tubular...
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